Time travel back to the time of the dinosaurs, and learn all about them! Dinosaurs dominated the Earth for millions of years--and they dominate our imaginations still. Where and when did they live? How big were they, and how much did they weigh? What made each species important? In simple, accessible language and stunningly realistic illustrations, this magnificent volume captures in detail the physical characteristics, behavior, and habitats of all the major carnivorous and herbivorous dinosaurs and marine reptiles.